## ISA
### Most instructions follow this format
| 6bit  | 1bit      | 1bit |      2bit       |     3bit     | 3bit |
| ----- | --------- | ---- | --------------- | ------------ | ---- |
| OpCod | Direction | Size | Addressing mode | Register ID  | Specific addressign mode|

| Register ID | Register Name|
|:-------------:|:-------------:|
|0 0 0 |AL AX|
|0 0 1 |CL CX|
|0 1 0 |DL DX|
|0 1 1 |BL BX|
|1 0 0 |AH SP|
|1 0 1 |CH BP|
|1 1 0 |DH SI|
|1 1 1 |BH DI|

* [ ] Not checked
* [ ] still checked
* [almost] checked
* [x] checked